Despite this, some parents are refusing to allow their children to be vaccinated out of fear that certain vaccines cause autism, or that combined vaccines against several diseases overload the immune system. (newscientist.com)
There is a need to more fully evaluate the safety and efficacy of combined vaccines, and the strains of viruses used, in young pups. (siriusdog.com)
In theory, vaccinating a woman against Izumo and prompting her to produce fusion - blocking antibodies could work as a contraceptive technique; but since fusion is the very last step in a complex process, it would be safer to combine the vaccine with other methods, Schultz says. (sciencemag.org)